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CARQUEST by BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:

All products are tested and inspected in an ISO 9000-compliant environment

State-of-the-art designs that meet or exceed OE specifications

Top-of-the-line quality and performance

With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues

This is the first time I have ever wrote a review, so that should tell you that this product is just plain junk. I bought this while replacing a lower intake manifold on a 3.8 motor. It will peg out your temperature gauge in the first 20 seconds of the car running from a cold start. So just like everyone else on here about this part, it is just and don't waste your time and money.

I hope to God this helps someone else. I broke my coolant temperature sensor when doing my '02 Grand Prix GTP Lower Intake Manifold gaskets so I grabbed this one from Advance. After hours of reassembly I noticed the car (stone cold) would overheat in 20 seconds at ignition turn on. I racked my brain for hours before I pulled the sensor and got a replacement BWD with the same results. Cue a few more hours of racking my brain. It was by sheer luck I happened to see the negative reviews on here. I took the second one back to Advance and the guy at the counter used an ohm meter on it to get a baseline and then heated it with a lighter. Using an Ohm graph he was able to discern that this sensor was reading in Celcius.

I picked up a different brand name on and put it in the car, problem solved.

I bought this part despite the other three reviews that said it wasn't a reliable part. Woops.. My bad, they were right. My problem was my car was overheating- the TEMP warning light would come on but the temp guage read normal. After further inspection I realized the fans were not coming on. So even after the bad reviews, this part was in stock, i was in a hurry, so I purchased it, then proceeded to spend 3 days replacing every fan relay and trouble shooting. As it turns out, if you just unplug the ECT and the fans come on- you know the ECT isn't doing it's job. Don't get me wrong I LOVE ADVANCE AUTO, they are my go to parts store, but this part I think has a high percentage of being junk.

i am a mechanic and every bwd sensor has been junk, i nstalled this sensor because i broke mine when pulling the lower intake, with this sensor it guage is all over and the fans do not cut on, pure junk

Sensor for 98 Bonneville and though controled gauge perfectly it fails to kick on cooling fans at designated 212deg or ever. Researched problem and I am just one of many with this problem. Go with OE part for sure on this one! Ended putting back original to prove prob. after intake replacement caused alot of extra time, second guessing and back tracking!!

Generally, the Engine Coolant Temperature sensor is screwed into the intake manifold near the termostat housing. Look for the upper radiator hose, and where it attaches to the engine.. The Temperature sensor should be nearby. Usually there is one wire coming out of the sensor. Some vehicles have two sensors, the second has two wires. These are also generally screwed into the intake manifold or one of the heads. The second one, if there, has two wires and these send signals to the PCM (Powertrain Control Module).

Answered on 5/15/2012 by Steve from AAP

Q:

i just purchased this temp sensor for my 1996 olds cutlass I installed it and the fans will still not come on once it is up to temperature I unplug this sensor and the fans come on, that tells me the sensor is either wrong or defective

YOU MUST BLEED THE AIR OUT OF THE COOLING SYSTEM!! If you do not do this, the sensor will not read the temperature and more importantly, you WILL overheat the engine block and / or blow a head gasket.

You MUST bleed the coolant system, THIS STEP MUST BE DONE! There is a brass bleeder screw located either on the thermostat housing and above the water pump or at both locations.

I take the clamp off the small thumb sized hose near the top of the intake on the Pass side, just above the valve cover. Use a cotter pin puller between the hose and metal pipe so the air can escape from there.

This is actually the "Highest point" of the coolant system and if done properly, you will defiantly get all the air out of the coolant system.

WARNING!! COOLANT AND STEAM WILL BURN YOU!

Don't forget to ALWAYS keep the coolant reservoir full when bleeding the system, or you will end up with more air in the system and you would have to start over.

I Hope this helps,

Master Tech Bill

Answered on 4/29/2011 by Master Tech Bill from Rochester NY

Q:

Does this sensor control the temp of the engine or just monitor it? If it does control it where is the sensor located ?

The coolant temperature sensor is a thermistor that changes resistance as the engine's coolant temperature changes. The sensor's output is monitored by the engine computer to regulate various ignition, fuel and emission control functions, and to turn the radiator-cooling fan on and off as needed. The most common coolant temperature sensor location is near the thermostat housing.

Answered on 12/22/2010 by David the Dynamite Parts Guy from AAP

Q:

how do I change the engine coolant temperature sensore on my 1996 camaro v6. I already know where it is located. do I need anything special to coat the threads with?

In order to be more helpful in response to your question. We need specific information about your vehicle make, model, and year. If you happen to be near an Advance Auto Parts store, you can visit the store, or contact us at 1-877-ADVANCE. This way we can help you find the right part to fit your vehicle.

Answered on 11/17/2009 by Rob from Advance Auto Parts

Q:

Temp guage seems to give accurate reading but cooling fans don't run when temp gets high. Fans will run when A/C or defroster is on though so its not a relay. Could it be this?

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